I've downloaded the tikzlibraryarrows.new.code.tex library from source forge and can use it in the following way:
\documentclass{article}
\usepackage{tikz}
% for resizing arrow head
\usetikzlibrary{...

I've searched online, but I have not found any clear instructions how to permanently add .sty files to my TeXShop installation. I'm using a Mac with OSX (TeXShop is a mac only program).
What is the ...

I would like to draw a hexagonal diagram made up of many small equilateral triangles, and be able to label specific vertices in the diagram. In particular, something like this:
But ideally rotated so ...

Background
There is a .cls file that pdflatex should use. I have read the following
How to make LaTeX see local texmf tree
Per-project texmf directory
Create a local texmf tree in MiKTeX
How to have ...

I've installed texlive 2012 which has two main folders: 2012 and texmf-local. To organize my documents I created a new folder I called doc under texmf-local. Up to now this has worked fine.
For this ...

I am working on a project in faroese, where I need to use the localization features offered by babel. I cannot find a faroese babel package, and when searching for it, there seems to be some confusion,...